CN203214821U - Chain wheel - Google Patents
Chain wheel Download PDFInfo
- Publication number
- CN203214821U CN203214821U CN 201320161071 CN201320161071U CN203214821U CN 203214821 U CN203214821 U CN 203214821U CN 201320161071 CN201320161071 CN 201320161071 CN 201320161071 U CN201320161071 U CN 201320161071U CN 203214821 U CN203214821 U CN 203214821U
- Authority
- CN
- China
- Prior art keywords
- chain wheel
- face
- sprocket body
- wheel body
- arc length
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a chain wheel which comprises a chain wheel body. At least 14 transmission teeth meshed with a chain are evenly distributed on the periphery of the chain wheel body, a central installation hole is arranged at the center of each end face of the chain wheel body, an annular groove is formed in each end face of the chain wheel body, a fixed hole is formed in each annular groove, and at least 4 weight reducing holes penetrating the two end faces of the chain wheel body are further formed in the end faces of the chain wheel body. The arc length L1 of first arcs of the weight reducing holes is larger than the arc length L2 of second arcs. The chain wheel has the advantages of enough mechanical strength, small weight and less material consumption.
Description
Technical field
The utility model relates to a kind of sprocket wheel.
Background technique
Existing sprocket wheel mainly comprises sprocket body, peripheral uniform at least ten four driving cogs that mesh with chain of described sprocket body, the end face center of described sprocket body is provided with mounting hole, and other parts between from the center mounting hole to the driving cog are solid surfaces on the sprocket body end face.Because sprocket wheel is the indispensable parts of two turbine vehicle transmissions, sprocket wheel is fixedly mounted on the pto of Motor Vehicle, and conduct to driving wheel by Transmitted chains, therefore, it is enough that the mechanical strength of sprocket wheel is wanted, but can not be overweight, overweight not only waste material but also consumed energy, and cost is higher.
The model utility content
The purpose of this utility model is at above-mentioned the deficiencies in the prior art, provide a kind of simple in structure, have enough mechanical strengths, in light weight, a materials consumption few sprocket wheel again.
For achieving the above object, the technical solution of the utility model is: a kind of sprocket wheel, comprise sprocket body, the periphery of described sprocket body is evenly equipped with at least ten four driving cogs that are meshed with chain, the end face center of described sprocket body is provided with center mounting hole, the end face of described sprocket body is provided with circular groove, and described circular groove is provided with fixed hole, also is provided with at least four lightening holes that run through sprocket body two ends end face on the end face of described sprocket body.The arc length L of described lightening hole first circular arc
1Arc length L greater than second circular arc
2
The beneficial effects of the utility model are: be provided with lightening hole and circular groove, and lighter than existing sprocket wheel, reduced materials consumption, reduced cost of production, as the arc length L of lightening hole first circular arc
1Arc length L greater than second circular arc
2The time, the joint between two lightening holes has better mechanical strength when transmitting rotation torque.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Among the figure: sprocket body 1, driving cog 2, center mounting hole 3, circular groove 4, fixed hole 5, lightening hole 6, first circular arc 7, second circular arc 71.
Embodiment
Below in conjunction with accompanying drawing, and in conjunction with the embodiments, the utility model is described further.
Embodiment:
As shown in Figure 1, a kind of sprocket wheel, comprise sprocket body 1, the periphery of described sprocket body 1 is evenly equipped with at least ten four driving cogs that are meshed with chain 2, the end face center of described sprocket body 1 is provided with center mounting hole 3, the end face of described sprocket body 1 is provided with circular groove 4, and described circular groove 4 is provided with fixed hole 5, also is provided with at least four lightening holes 6 that run through sprocket body 1 two ends end face on the end face of described sprocket body 1.The arc length L of described lightening hole 6 first circular arcs 7
1Arc length L greater than second circular arc 71
2
When the utility model uses: by center mounting hole 2 sprocket body 1 is connected with the rotating shaft of machine, fixes by fixed hole 5 and the rotating shaft of machine again, as the arc length L of described lightening hole 6 first circular arcs 7
1Arc length L greater than second circular arc 71
2The time, the joint between two lightening holes has better mechanical strength when transmitting rotation torque.
Claims (2)
1. sprocket wheel, comprise sprocket body (1), outer the placing of described sprocket body (1) is evenly equipped with at least ten four driving cogs that are meshed with chain (2), the end face center of described sprocket body (1) is provided with center mounting hole (3), it is characterized in that: the end face of described sprocket body (1) is provided with circular groove (4), described circular groove (4) is provided with fixed hole (5), also is provided with at least four lightening holes (6) that run through sprocket body (1) two ends end face on the end face of described sprocket body (1).
2. a kind of sprocket wheel according to claim 1 is characterized in that: the arc length L of described lightening hole (6) first circular arcs (7)
1Arc length L greater than second circular arc (71)
2
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320161071 CN203214821U (en) | 2013-04-02 | 2013-04-02 | Chain wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320161071 CN203214821U (en) | 2013-04-02 | 2013-04-02 | Chain wheel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203214821U true CN203214821U (en) | 2013-09-25 |
Family
ID=49204361
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320161071 Expired - Fee Related CN203214821U (en) | 2013-04-02 | 2013-04-02 | Chain wheel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203214821U (en) |
-
2013
- 2013-04-02 CN CN 201320161071 patent/CN203214821U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130925 Termination date: 20140402 |